#182C5A#182C5A

#182C5A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.087 H 264.2°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#182C5A
RGB	rgb(24, 44, 90)
HSL	hsl(222, 58%, 22%)
HSV	hsv(222, 73%, 35%)
CMYK	cmyk(73.3%, 51.1%, 0%, 64.7%)
CIE-LAB	lab(18.94, 9.52, -30.09)
CIE-LCH	lch(18.94, 31.56, 287.55°)
OKLab	oklab(30.45% -0.0087 -0.0862)
OKLCH	oklch(30.45% 0.087 264.2)
XYZ	xyz(3.1222, 2.7334, 10.0339)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C5A #5A4618

analogous

#184D5A #182C5A #25185A

triadic

#182C5A #5A182C #2C5A18

tetradic

#182C5A #5A184D #5A4618 #185A25

square

#182C5A #5A184D #5A4618 #185A25

split-complementary

#182C5A #5A2518 #4D5A18

monochromatic

#060C18 #0B142A #182C5A #25448A #325BBB

Accessibility & contrast

On white

13.58

#182C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C5A

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C5A	#FFFFFF	#000000	##FFFFFF
##182C5A	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14315C

Deuteranopia (green-blind)

#062B59

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182c5a;
/* rgb */ color: rgb(24, 44, 90);
/* oklch */ color: oklch(30.5% 0.087 264.2);

Tailwind

colors: {
  custom: {
    50: '#5e6489',
    500: '#182c5a',
    950: '#000000',
  },
}

SCSS

$custom: #182c5a;
$custom-light: #5e6489;
$custom-dark: #000000;

JSON

{
  "hex": "#182c5a",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 90
  },
  "hsl": {
    "h": 221.818,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.30451,
    "c": 0.08664,
    "h": 264.2
  },
  "luminance": 0.02734
}

Semantic roles & 50–950 ramp

primary

#182C5A

secondary

#91773D

accent

#B247E1

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #182C5A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →